Siamese are very people territorial also. Meaning they pick a person and that's their person. They also hold grudges.
My mom had one that picked her that would wait in ambush and pounce on my dad's leg when he rounded a corner. He would also crawl under the covers before bedtime and wait for dad. Dad slept commando...... Dad hated that cat.
My cousin also had one and it had gotten into some food on the kitchen counter, and they punished it. The cat got ****ed. They went to bed and later heard some noises. They got up to investigate and found the cat half way down the hall dragging a butcher knife towards their room. They got rid of the cat the next day.
Cute kitties by the way. Maybe you should call them Carnage and Havoc.